.prog-banner {
  width: 100%;
  height: 544px;
  background: url(../../images/banner.png) no-repeat;
  background-size: cover;
  background-position: center;
  overflow: hidden;
  .prog-banner-btn {
    display: block;
    width: 200px;
    height: 50px;
    margin: 280px auto 0;
    cursor: pointer;
  }
}
